B-Tech BT899-AD Installation Manual & Parts List page 7

2 Adjust Ceiling Drop to Desired Height
i. Push spring button to
release height adjustment.
Push spring
button in
WARNING
Once button is
pushed in, the
inner pole will
fall to maximum
extension if not
held.
3
Fix Inner Sliding Pole in place
Tighten item 3 using item 20 to ensure the inner
sliding pole is fixed securely in position.
ii. Move inner sliding pole
to desired ceiling drop.
1
Inner
Sliding Pole
WARNING
When selecting
height, keep
fingers clear of
safety slot on
reverse of pole.
1
3
20
Inner
Sliding
Pole
iii. When desired ceiling drop is
reached, ensure spring button
protrudes from hole.
Spring Button
must protrude
fully from hole
WARNING
Ensure Spring
Button fully
protrudes from
desired hole before
any AV is attached.
Note: The angle of the inner sliding
pole can be adjusted using item 3.
Outer
Pole
3
20
Inner
Sliding
Pole
7